What is JDK & JRE

JDK & JRE

v  JRE : JAVA Runtime Environment

1.       JRE is an acronym for Java Runtime Environment

2.       It is used to provide runtime environment

3.       It is the implementation of JVM

4.       It contains

             

Important Point: JRE = Set of libraries + other files that JVM uses at runtime

v  JDK: JAVA Development Kit

1.       JDK is an acronym for Java Development Kit

2.       While have jars and tools for compiling the java program

3.       JDK will have JRE

4.       JRE will have JVM implementation

     Important Point: JDK = Tools & jars for creating a .class files +JRE + JVM implementation